The displayed structural formulae represent two hydrocarbons. $\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_3$ $\text{CH}_3\text{CH}(\text{CH}_3)\text{CH}_3$ Which of the following statements about these hydrocarbons is correct?
- AThey are both alkenes.
- BThey decolourise aqueous bromine.
- CThey are structural isomers.
- DThey undergo addition reactions.